Catalina Island Marathon

Avalon, United States • 7 Mar 2026

The Catalina Island Marathon, held in Avalon, California, is California's oldest trail marathon and the state's official off-road marathon championship. This scenic event offers marathon (26.2 miles), 10K, and 5K distances, along with a kids' run and a challenging Triple Crown option combining multiple races. Runners experience the natural beauty of Catalina Island, surrounded by ocean and green hills, while traversing trails managed by the Catalina Island Conservancy. The course showcases the island's history and stunning landscapes, making it a bucket-list race for trail running enthusiasts. The event emphasizes sustainability and community, supported by local sponsors and offering aid stations along the route. Visit the organization's website for the most recent information.

Race information

26 mi
Catalina Island Marathon 26.2 Miles
10 km
Catalina Island 10k 6.2 Miles
5 km
Catalina Island 5k 3.1 Miles
Catalina Island Triple Crown Challenge
Kids Run
Visit the organization's website for the most recent information.
Trail runs nearby

The Catalina Island Half-Marathon & 10K is a scenic trail running event held in Avalon, California. The half-marathon covers 13.1 miles, starting in Avalon and passing the historic Wrigley Mansion before entering Catalina Island’s rugged interior with challenging climbs. Runners are rewarded with st..